mcdaniel932 mcdaniel932

23-03-2021
Mathematics

contestada

Solve the quadratic equation by using either a numeric or a graphic approach.

Solve the quadratic equation by using either a numeric or a graphic approach class=

Respuesta :

surjithayer10otahza surjithayer10otahza

23-03-2021

Answer:

C

Step-by-step explanation:

x²-14x-49=0

x²-14x+49=49+49

(x-7)²=98

(x-7)²=49×2

x-7=±7√2

x=7+7√2=7(1+√2)≈7(1+1.414)≈7(2.414)≈16.898≈16.9

or

x=7-7√2=7(1-√2)≈7(1-1.414)≈-7×0.414≈-2.898≈2.9

Answer Link

Otras preguntas

Pour commencer ● FICHE DE LECTURE: Paul Eluard, Le Temps déborde Etes-vous émus ou embarrassés par la lecture de ce texte? BREVET L. Un événement tragique 1. A

Cite at least 3 situations in your community where you can apply hypothesis testing. Then, just choose one situation and: 1. Create a problem statement; 2. Form

What is the value of x? X 89° G X+43° F X+32° E

Answer literally anything [tex]\left[\begin{array}{ccc}b&a&l&s&s\end{array}\right][/tex]

Solve and show each step

The difference between two positive numbers is 7 and the square of their sun is 289. Find the two numbers.

Answer the 2 questions on the attached image

Nutrition Questions1. Identify the six basic nutrients and provide examples of each.2. Explain how each nutrient helps support your body.(Have to have the websi

Prudence states that the area of the wall that must be painted is 14,42m².Is this statement valid?set your work out clearly please Note that the vent and the wi

given f(x)=3x-5, solve for x when f(x)= (x-1)